# Create your views here.
from django.http import HttpResponse, HttpResponseRedirect
from .models import Question, Choice
from django.template import loader
from django.shortcuts import render, get_object_or_404


def index(request):
    latest_question_list = Question.objects.order_by('-pub_date')[:3]
    template = loader.get_template('polls/index.html')
    return HttpResponse(template.render({'latest_question_list': latest_question_list}))


def detail(request, question_id):
    question = get_object_or_404(Question, pk=question_id)
    return render(request, 'polls/detail.html', {'question': question})


def results(request, question_id):
    response = "You're looking at the results of question %s."
    return HttpResponse(response % question_id)


def vote(request, question_id):
    p = get_object_or_404(Question, pk=question_id)
    try:
        selected_choice = p.choice_set.get(pk = request.POST['choice'])
    except (KeyError, Choice.DoesNotExist):
        return render(request,'polls/detail.html', {'question': p, 'erro_message': "You did not select a choice."})
    else:
        selected_choice.votes += 1
        selected_choice.save()
        return HttpResponseRedirect(reversed('polls:results', args=(p.id,)))
